123804980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4909}}^1$

素因数の和:5028

約数の個数: 48

約数和(自身を含む): 282933840

約数和(自身を除く): 159128860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 4909, 5044, 6305, 9818, 12610, 19636, 24545, 25220, 49090, 63817, 98180, 127634, 255268, 319085, 476173, 638170, 952346, 1276340, 1904692, 2380865, 4761730, 6190249, 9523460, 12380498, 24760996, 30951245, 61902490, 123804980]

約数ペア:

[(1, 123804980), (2, 61902490), (4, 30951245), (5, 24760996), (10, 12380498), (13, 9523460), (20, 6190249), (26, 4761730), (52, 2380865), (65, 1904692), (97, 1276340), (130, 952346), (194, 638170), (260, 476173), (388, 319085), (485, 255268), (970, 127634), (1261, 98180), (1940, 63817), (2522, 49090), (4909, 25220), (5044, 24545), (6305, 19636), (9818, 12610)]